28321510

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33886490

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 343, 359, 490, 686, 718, 805, 1127, 1610, 1715, 1795, 2254, 2513, 3430, 3590, 5026, 5635, 7889, 8257, 11270, 12565, 15778, 16514, 17591, 25130, 35182, 39445, 41285, 57799, 78890, 82570, 87955, 115598, 123137, 175910, 246274, 288995, 404593, 577990, 615685, 809186, 1231370, 2022965, 2832151, 4045930, 5664302, 14160755, 28321510]

約数ペア:

[(1, 28321510), (2, 14160755), (5, 5664302), (7, 4045930), (10, 2832151), (14, 2022965), (23, 1231370), (35, 809186), (46, 615685), (49, 577990), (70, 404593), (98, 288995), (115, 246274), (161, 175910), (230, 123137), (245, 115598), (322, 87955), (343, 82570), (359, 78890), (490, 57799), (686, 41285), (718, 39445), (805, 35182), (1127, 25130), (1610, 17591), (1715, 16514), (1795, 15778), (2254, 12565), (2513, 11270), (3430, 8257), (3590, 7889), (5026, 5635)]